690602226 has 16 divisors (see below), whose sum is σ = 1384586400. Its totient is φ = 229637088.

The previous prime is 690602219. The next prime is 690602293. The reversal of 690602226 is 622206096.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138256 + ... + 143163.

It is an arithmetic number, because the mean of its divisors is an integer number (86536650).

Almost surely, 2^690602226 is an apocalyptic number.

690602226 is an abundant number, since it is smaller than the sum of its proper divisors (693984174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690602226 is a wasteful number, since it uses less digits than its factorization.

690602226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281833.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 690602226 is about 26279.3117489785. The cubic root of 690602226 is about 883.9125997892.

The spelling of 690602226 in words is "six hundred ninety million, six hundred two thousand, two hundred twenty-six".